查询词典 fluid dynamics

Firstly,subgoal choosing is optimized by using heuristic function according to the window's information,it is local environment's information,which is obtained by camera.Then navigation behavior is divided into GO TO TARGET behavior and OBSTACLE AVOIDANCE behavior,their behaviorial states and behaviorial modes dynamics models are established,and then one autonomous local path planning online is implemented using navigation behavior dynamics model in a single window.Connecting a series of local paths according to continuity,the robot accomplishes one global planning ultimately.

首先根据所获得的窗口信息，采用启发式函数进行局部子目标优化选择；然后将路径规划问题即导航行为分解为趋于目标行为和避障行为，并对这两种行为分别建立了行为状态和行为模式动力学模型；在此基础上，以窗口为单位，利用导航行为动力学模型进行在线自主路径规划；将一系列窗口中的规划轨迹按照连续性条件首尾相接，最终完成了一条全局规划任务。

This paper aims at the analysis and computation of double machine power systems frequency dynamics and provides the characteristics of double machine power systems frequency dynamics .

本文首先对双机系统频率动态过程进行了理论分析，给出了双机系统频率动态过程的特点。

The Mirage 2000-5 can fire the Super 530D missile from Matra BAe Dynamics or the Sky Flash air-to-air missile from Matra BAe Dynamics as an alternative to the MICA missile.

可以外挂的空对空武器有：R550"魔术"2红外型导弹和SUPER R530D"超530"半主动雷达型导弹。机翼内侧挂架还可以挂副油箱。

In the analysis of dynamics cutting angle, the following phenomenon is discovered first time: the minimize of dynamics clearance angle is not monotone decreasing with the vibration frequency , and appear peak value periodically, which exist is the disseparation region and approach the separation region.

在对振动钻削中切削刃上各点的动态角度的分析中，首次发现在振动钻削过程中动态后角的最小值不是随着频率或频转比的增大单调下降，而是周期性的出现波峰值，这些波峰值都出现在不分离区，而且是接近于分离区处，这是由振动钻削过程中的变速特性引起的。

Based on existing and extensive results of cognitive psychology and neurophysiology, the inner process and features of creative thinking are discussed fromthe point of view of nonlinear dynamics, in particular, from the point of view of chaos dynamics.

对所提出的"创造性思维中可能性构成空间理论"模型给出了符合淮地动力学原理的论述。在此基础之上提出了一种"创造性思维过程是复杂的混饨动力学系统的演化过程"的新的学术观点。

As a Gold Certified Partner for Microsoft Dynamics AX in 2003, which indicates NMB Solutions has profound technology background to maintain high levels of certification and expertise required by Microsoft Dynamics.

北微于2003 年通过微软公司的认证，成为微软公司金牌认证合作伙伴，这标志着北微已经成为微软全球商务解决方案领域中具有深度技术影响的企业之一，也意味着北微将获得微软技术、市场方面的诸多资源支持。

In this dissertation, the flexible structure dynamics model in non-inertial frame with large overall motions is analyzed. This problem is the research base of dynamics of flexible multibody system.

本文从力学基本原理出发，分析了柔性结构在非惯性系下的动力学问题，此问题是柔性多体问题研究的基础。

Central-force Motion, Dynamics of a System of Particles, Dynamics of Rigid Body, Coupled Oscillations, Nonlinear Oscillations, Motion in a Noninertial Reference Frame, Continuous Systems.

力学 (0，3)/应用力学（0，3）中心力下的运动、多粒子系统动力学、刚体动力学、耦合振动、非线性振动、非惯性参考座标系中的运动、连续系统。

To develop the missile quasi-linear model, a state space model is established for missile dynamics, and function substitution method is used to describe the nonlinear dynamics of missile as linear combinations of functions of given time-varying parameters. With the minimizing variation range of model parameters over the whole design envelope as the optimum aim, linear programming optimum arithmetic is used to determine the model parameters at selected grid points.

为了建立导弹准线性化模型，将导弹动力学描述为状态空间形式；采用函数替换方法将导弹的非线性动力学描述为关于特定时变参数的函数的线性组合形式；以整个设计区间内模型参数变化范围最小为优化目标，采用线性规划优化算法确定了所选网格点上的模型参数。

For the sake of raising the under water propulsion properties of Robo-Mackerel, An analytical discussion was made on the relationships of each dynamics parameters of the swinging of mechanical pectoral fin and the above stated targets, and the optimal value of each dynamics parameters were proposed.

为有效地提高Rob-Mackerel的水下推进性能，分析讨论了机械胸鳍摆动各运动学参数和上述指标的关系，并提出各运动学参数的最优值。

Metrorrhagia is also gynaecological problems of common diseases.

崩漏是妇科常见病也是疑难症。

WordFTP gives you the convenience and timesaving you need.

wordftp让您的方便和省时您所需要的。